#define OVERRIDE_COMMANDLINE_ARGUMENTS // when defined will override supplied commandline args
using System;
using System.Collections.Generic;
using System.Text;
using Enterprise.Logging;
using System.Windows.Forms;
using System.Diagnostics;
using System.IO;
using libxmltv.Core;

namespace GBPVRProgramDatabaseFixer
{
    class Program
    {
        static string XMLTV_FILE = "";
        static string GBPVR_DATABASE = "";
        static bool XMLTV_INSTANCE_CREATED = false;

        static int LAST_REPORTED_XMLTV_PROGRESS =0;

        static FileInfo fi_XMLTVFILE;

        static void CreateLog()
        {
            string log_path = Application.StartupPath;
            string log_filename = string.Format("{0}.log", typeof(Program).Assembly.GetName().Name);
            gLog.CreateLog(string.Format(@"{0}\{1}", log_path, log_filename), false, LogLevel.kLogLevel_All);
#if DEBUG
            LogLevel gLevel = gLog.LogLevel;
            gLevel |= LogLevel.kLogLevel_VerboseDebug;
            gLevel |= LogLevel.kLogLevel_Debug;
            gLog.SetLogLevel(gLevel);
#else
            LogLevel gLevel = LogLevel.kLogLevel_Default; // set the default log level: Info, Warn, Error, Debug
            // it is OK for kLogLevel_Debug to be set in Release mode ... must of the chatty messages are from kLogLevel_VerboseDebug
            gLevel &= ~LogLevel.kLogLevel_Debug; // ensure this is not set, ever in release mode         
            gLevel &= ~LogLevel.kLogLevel_VerboseDebug; // ensure this is not set, ever in release mode         
            gLog.SetLogLevel(gLevel);
#endif
            gLog.ReportProgressEvent += new EventHandler<ReportProgressEventArgs>(gLog_ReportProgress);
        }

        [Conditional("OVERRIDE_COMMANDLINE_ARGUMENTS")]
        static void CreateDebugCommandlineArgs(ref List<string> cargs)
        {
           cargs = new List<string>();
            cargs.Add(string.Format("--xmltv_file=\"{0}\"", @"c:\EPG Guide\Guide\tvguide.xml"));
            cargs.Add(string.Format("--gbprv_db=\"{0}\"", @"c:\Program Files (x86)\Devnz\GBPVR\gbpvr.db3"));
        }

        static List<string> CreateCommandlineArgs(string[] args)
        {
            List<string> cargs = new List<string>(args);
            CreateDebugCommandlineArgs(ref cargs);
            return cargs;
        }

        static void Main(string[] args)
        {
            CreateLog();
            var cargs = CreateCommandlineArgs(args);
            foreach (var carg in cargs)
            {
                if (carg.ToLower().Contains("--xmltv_file="))
                {
                    XMLTV_FILE = carg.Replace("--xmltv_file=", "").Replace("\"","");
                    gLog.Info.WriteLine("XMLTV FILE: '{0}'", XMLTV_FILE);
                }
                else if (carg.ToLower().Contains("--gbprv_db="))
                {
                    GBPVR_DATABASE = carg.Replace("--gbprv_db=", "").Replace("\"", "");
                    gLog.Info.WriteLine("GBPVR DATABASE: '{0}'", GBPVR_DATABASE);
                }
                else
                {
                    gLog.Warn.WriteLine("Unknown commandline option: {0}", carg);
                }
            }

            LoadXMLTVFile();
        }

        static void gLog_ReportProgress(object sender, ReportProgressEventArgs e) 
        {
            if (LAST_REPORTED_XMLTV_PROGRESS != e.Progress)
            {
                Console.WriteLine("XMLTV: {0} Loading: {1:00}%", fi_XMLTVFILE.Name, e.Progress);
                LAST_REPORTED_XMLTV_PROGRESS = e.Progress;
            }
        }
        static void LoadXMLTVFile()
        {
            if (string.IsNullOrEmpty(XMLTV_FILE))
            {
                gLog.Error.WriteLine("XMLTV File is either a null or empty string.");
                return;
            }
            fi_XMLTVFILE = new FileInfo(XMLTV_FILE);
            if (!fi_XMLTVFILE.Exists)
            {
                gLog.Error.WriteLine("Could not find XMLTV File: {0}", fi_XMLTVFILE.FullName);
                return;
            }

            XMLTV.Create(fi_XMLTVFILE.FullName, new EventHandler<EventArgs>(XMLTV_OnInstanceCreated));
            while (!XMLTV_INSTANCE_CREATED) { Application.DoEvents(); }
        }

        static void XMLTV_OnInstanceCreated(object sender, EventArgs e) { XMLTV_INSTANCE_CREATED = true; }
    }
}